import time

from Modules.Filters.FiltersObj import FiltersObj, data_base
from Modules.Filters.FiltersUtils import FilterUtils
from DBHelper.MongoHelperInstance import DB_TEST


class FilterImpl(object):
    filter_list = ['评级信息', '企业指标', '基本信息', '企业资质', '财务报表', '经营状况',
                   '融资情况', '司法风险', '经营预警', '新闻公告']

    def verify_data(self, filter_range):
        """校验数据"""
        for key in filter_range.keys():
            if key not in self.filter_list:
                return '数据库名称错误'
            else:
                sheet = filter_range[key]
                for key_ in sheet.keys():
                    if key_ not in data_base[key]:
                        return '数据集名称错误'
                    else:
                        return '校验通过'

    def new_filter(self, **kwargs):
        data = kwargs['data']

        name = DB_TEST.find_single_column(
            '模型数据',
            '筛选器数据',
            {'筛选器名称': data['filter_name']},
            '筛选器名称'
        )
        if name:
            return '筛选器名称已存在'

        verify_result = self.verify_data(data['filter_range'])
        if verify_result == '校验通过':
            filters = FiltersObj()
            filters.filter_id = FilterUtils.make_new_cid()
            filters.filter_name = data['filter_name']
            filters.filter_range = data['filter_range']
            filters.date = time.strftime("%Y-%m-%d", time.localtime())

            DB_TEST.upsert_single_data(
                '模型数据',
                '筛选器数据',
                {'筛选器名称': data['filter_name']},
                filters.fields_toggle()
            )
            return '新建成功'
        else:
            return verify_result

    def eidt_filter(self, **kwargs):
        """编辑筛选器"""
        data = kwargs['data']

        case1 = DB_TEST.find_single_column(
            '模型数据',
            '筛选器数据',
            {'筛选器ID': data['filter_id']},
            '筛选器名称'
        )

        case2 = DB_TEST.find_all_data(
            '模型数据',
            '筛选器数据',
            {},
            ['筛选器名称']
        )

        case2 = [item['筛选器名称'] for item in case2]
        case2.remove(case1)

        if data['filter_name'] != case1 and data['filter_name'] in case2:
            return '筛选器名称已存在'

        verify_result = self.verify_data(data['filter_range'])
        if verify_result == '校验通过':
            filters = FiltersObj()
            filters.filter_id = data['filter_id']
            filters.filter_name = data['filter_name']
            filters.filter_range = data['filter_range']
            filters.date = time.strftime("%Y-%m-%d", time.localtime())

            DB_TEST.update_single_data(
                '模型数据',
                '筛选器数据',
                {'筛选器ID': data['filter_id']},
                filters.fields_toggle()
            )
            return '修改成功'
        else:
            return verify_result

    @staticmethod
    def delete_filter(**kwargs):
        """删除筛选器"""
        filter_id = kwargs['filter_id']
        DB_TEST.delete_single_data(
            '模型数据',
            '筛选器数据',
            {'筛选器ID': filter_id}
        )

        return '操作成功'

    @staticmethod
    def search_filter(**kwargs):
        """查询筛选器"""
        filter_name = kwargs['filter_name']
        page_no = kwargs['page_no']
        page_size = kwargs['page_size']

        if len(filter_name):
            total = DB_TEST.find_all_data_with_count(
                '模型数据',
                '筛选器数据',
                {"筛选器名称": filter_name}
            )
            records = DB_TEST.find_data_by_page_with_sort(
                '模型数据',
                '筛选器数据',
                {"筛选器名称": filter_name},
                [],
                {'_id': -1},
                page_size,
                page_no
            )
        else:
            total = DB_TEST.find_all_data_with_count(
                '模型数据',
                '筛选器数据',
                {}
            )
            records = DB_TEST.find_data_by_page_with_sort(
                '模型数据',
                '筛选器数据',
                {},
                [],
                {'_id': -1},
                page_size,
                page_no
            )

        record_list = list()
        for record in records:
            record_dict = dict()
            record_dict['filter_name'] = record['筛选器名称']
            if '筛选器ID' in record:
                record_dict['filter_id'] = record['筛选器ID']
            record_dict['filter_range'] = record['筛选范围']
            record_dict['date'] = record['创建日期']
            record_list.append(record_dict)

        result = {
            "total": total,
            "records": record_list
        }

        return result

    def search_db_gather(self, **kwargs):
        """查询数据库所有集合名"""
        db_name = kwargs['db_name']
        if len(db_name):
            records = DB_TEST.find_database_all_gather(db_name)
            return records
        else:
            db_name = None
            records = DB_TEST.find_database_all_gather(db_name)
            return_list = list()
            for record in records:
                if record in self.filter_list:
                    return_list.append(record)

            return return_list

    @staticmethod
    def search_db_field(**kwargs):
        """查询数据集中的所有字段"""
        database = kwargs['database']
        datasheet = kwargs['datasheet']

        records = DB_TEST.find_single_data(
            database,
            datasheet,
            {},
            []
        )

        return_list = list()
        for key, value in records.items():
            if type(value) == dict:
                return_dict = dict()
                return_dict[key] = value
                return_list.append(return_dict)
                continue
            return_list.append(key)
        return return_list